Create the file /etc/fail2ban/jail.local (the path may vary depending on the OS) and paste-in the following contents (which will override the defaults specified in /etc/fail2ban/jail.conf): Code: [DEFAULT] bantime = 3600 Any of the configuration directives may be overridden in this file. Try consulting the fail2ban documentation next time . All of this is spelled-out very clearly. http://www.fail2ban.org/wiki/index.php/Manual